WO2008093945A3 - Procédé et appareil permettant de sélectionner des index de programmation de modulation et de codage fondés sur la sélectivité de fréquence - Google Patents

Procédé et appareil permettant de sélectionner des index de programmation de modulation et de codage fondés sur la sélectivité de fréquence Download PDF

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Publication number
WO2008093945A3
WO2008093945A3 PCT/KR2008/000291 KR2008000291W WO2008093945A3 WO 2008093945 A3 WO2008093945 A3 WO 2008093945A3 KR 2008000291 W KR2008000291 W KR 2008000291W WO 2008093945 A3 WO2008093945 A3 WO 2008093945A3
Authority
WO
WIPO (PCT)
Prior art keywords
frequency selectivity
mcs
selecting
coding scheme
coding rate
Prior art date
Application number
PCT/KR2008/000291
Other languages
English (en)
Other versions
WO2008093945A2 (fr
Inventor
Jin Soo Choi
Min Seok Oh
Hyung Ho Park
Sung Ho Moon
Jae Hoon Chung
Doo Hyun Sung
Original Assignee
Lg Electronics Inc.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Lg Electronics Inc. filed Critical Lg Electronics Inc.
Priority to AT08704827T priority Critical patent/ATE533242T1/de
Priority to EP20080704827 priority patent/EP2140595B1/fr
Priority to JP2009547164A priority patent/JP4932913B2/ja
Priority to AU2008211900A priority patent/AU2008211900B2/en
Priority to US12/524,755 priority patent/US8594208B2/en
Priority to CN2008800035713A priority patent/CN101636952B/zh
Publication of WO2008093945A2 publication Critical patent/WO2008093945A2/fr
Priority to US12/510,988 priority patent/US7848252B2/en
Publication of WO2008093945A3 publication Critical patent/WO2008093945A3/fr
Priority to US14/066,517 priority patent/US9025685B2/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
    • H04L1/0003—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0009—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0015—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy
    • H04L1/0016—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy involving special memory structures, e.g. look-up tables
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0222—Estimation of channel variability, e.g. coherence bandwidth, coherence time, fading frequency
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0015—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy
    • H04L1/0019—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy in which mode-switching is based on a statistical approach
    • H04L1/0021—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy in which mode-switching is based on a statistical approach in which the algorithm uses adaptive thresholds
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0025—Transmission of mode-switching indication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
    • H04W28/18—Negotiating wireless communication parameters
    • H04W28/22—Negotiating communication rate
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/50—Reducing energy consumption in communication networks in wire-line communication networks, e.g. low power modes or reduced link rate

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)

Abstract

La présente invention concerne un procédé de sélection d'index de programmation de modulation et de codage (MCS) dans un système de communication sans fil. Plus spécifiquement, le procédé consiste à mesurer une sélectivité de fréquence d'un canal de réception, à sélectionner un index de MCS possédant une vitesse de codage en dessous d'une valeur seuil de vitesse de codage prescrite si la sélectivité de fréquence mesurée est supérieure ou égale à un seuil de sélectivité de fréquence spécifié et, à sélectionner l'index de MCS possédant la vitesse de codage supérieure ou égale à la valeur seuil de vitesse de codage prescrite si la sélectivité de fréquence mesurée est inférieure au seuil de sélectivité de fréquence spécifiée.
PCT/KR2008/000291 2007-01-30 2008-01-17 Procédé et appareil permettant de sélectionner des index de programmation de modulation et de codage fondés sur la sélectivité de fréquence WO2008093945A2 (fr)

Priority Applications (8)

Application Number Priority Date Filing Date Title
AT08704827T ATE533242T1 (de) 2007-01-30 2008-01-17 Verfahren zur auswahl des index des modulations- und codierungsschemas (mcs) auf der basis von frequenzselektivität
EP20080704827 EP2140595B1 (fr) 2007-01-30 2008-01-17 Procédé permettant de sélectionner des index de programmation de modulation et de codage fondés sur la sélectivité de fréquence
JP2009547164A JP4932913B2 (ja) 2007-01-30 2008-01-17 周波数選択性に基づいてｍｃｓインデックスを選択する装置及び方法
AU2008211900A AU2008211900B2 (en) 2007-01-30 2008-01-17 Method of indicating and determining a modulation and coding scheme (MCS)
US12/524,755 US8594208B2 (en) 2007-01-30 2008-01-17 Method and apparatus for selecting modulation and coding scheme (MCS) index based on frequency selectivity
CN2008800035713A CN101636952B (zh) 2007-01-30 2008-01-17 用于基于频率选择性来选择调制和编码方案（mcs）指标的方法和装置
US12/510,988 US7848252B2 (en) 2007-01-30 2009-07-28 Method and apparatus for selecting modulation and coding scheme (MCS) index based on frequency selectivity
US14/066,517 US9025685B2 (en) 2007-01-30 2013-10-29 Method and apparatus for selecting modulation and coding scheme (MCS) index based on frequency selectivity

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2007-0009375 2007-01-30
KR1020070009375A KR101314611B1 (ko) 2007-01-30 2007-01-30 주파수 선택성에 따른 ｍｃｓ 인덱스 선택 방법, 장치, 및이를 위한 통신 시스템

Related Child Applications (3)

Application Number Title Priority Date Filing Date
US12/524,755 A-371-Of-International US8594208B2 (en) 2007-01-30 2008-01-17 Method and apparatus for selecting modulation and coding scheme (MCS) index based on frequency selectivity
US12/510,988 Continuation US7848252B2 (en) 2007-01-30 2009-07-28 Method and apparatus for selecting modulation and coding scheme (MCS) index based on frequency selectivity
US14/066,517 Continuation US9025685B2 (en) 2007-01-30 2013-10-29 Method and apparatus for selecting modulation and coding scheme (MCS) index based on frequency selectivity

Publications (2)

Publication Number Publication Date
WO2008093945A2 WO2008093945A2 (fr) 2008-08-07
WO2008093945A3 true WO2008093945A3 (fr) 2009-09-11

Family

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Application Number Title Priority Date Filing Date
PCT/KR2008/000291 WO2008093945A2 (fr) 2007-01-30 2008-01-17 Procédé et appareil permettant de sélectionner des index de programmation de modulation et de codage fondés sur la sélectivité de fréquence

Country Status (8)

Country Link
US (3) US8594208B2 (fr)
EP (2) EP2140595B1 (fr)
JP (1) JP4932913B2 (fr)
KR (1) KR101314611B1 (fr)
CN (1) CN101636952B (fr)
AT (1) ATE533242T1 (fr)
AU (1) AU2008211900B2 (fr)
WO (1) WO2008093945A2 (fr)

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US8594208B2 (en) 2013-11-26
EP2159947A2 (fr) 2010-03-03
AU2008211900A1 (en) 2008-08-07
JP2010517406A (ja) 2010-05-20
EP2159947B1 (fr) 2012-11-28
KR20080071314A (ko) 2008-08-04
EP2140595A4 (fr) 2010-09-08
KR101314611B1 (ko) 2013-10-07
US7848252B2 (en) 2010-12-07
EP2140595B1 (fr) 2011-11-09
US20100061473A1 (en) 2010-03-11
US20140056260A1 (en) 2014-02-27
EP2140595A2 (fr) 2010-01-06
CN101636952A (zh) 2010-01-27
JP4932913B2 (ja) 2012-05-16
US20100054144A1 (en) 2010-03-04
AU2008211900B2 (en) 2011-03-31
WO2008093945A2 (fr) 2008-08-07
ATE533242T1 (de) 2011-11-15
US9025685B2 (en) 2015-05-05
CN101636952B (zh) 2012-12-26
EP2159947A3 (fr) 2010-09-08

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